<script src="https://unpkg.com/vue@next"></script>

<div id="app"></div>
<!-- 参考 https://github.com/erbrother/vue3DeepDive/blob/master/vdom.html -->

<script>
  const { h, createApp } = Vue;

  const app = {
    render() {
      return h(
        "div",
        {
          id: "hello",
        },
        [h("span", "world")]
      );
    },
  };

  createApp(app).mount('#app');

</script>